Underbeam axle lift assembly

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 61/12 (2006.01) B60G 11/28 (2006.01) B60G 11/46 (2006.01) B60T 17/08 (2006.01)

Patent

CA 2379392

A lift assembly for an axle of the trailer of a semi-trailer or of another vehicle such as a straight truck, is mounted generally adjacent to and beneath each suspension beam of the axle/suspension systems of the trailer or other vehicle. The manner of mounting the lift assembly generally adjacent to and beneath the beam provides sufficient clearance for concurrent disposition of a dual service/parking brake chamber adjacent to and beneath the beam. The location and orientation of the axle lift assembly, relative to radial lines emanating from the pivot point of the suspension beam, facilitates the application of efficient lift forces to the beam by the lift assembly, which in turn results in less wear to an air chamber of the lift assembly. The air chamber of the lift assembly can be quickly and easily removed and reinstalled to allow for replacement of the dual brake chamber.

La présente invention concerne un ensemble de soulèvement pour l'essieu d'une semi-remorque ou d'un autre véhicule tel qu'un camion rigide, lequel ensemble est monté généralement contre et sous chacun des balanciers de suspension des systèmes d'essieu ou de suspension de la remorque ou d'un autre type de véhicule. La façon dont on monte l'ensemble de soulèvement généralement contre et sous le balancier de suspension ménage suffisamment de place pour le montage concomitant d'une double chambre de frein de service ou de stationnement contre et sous le balancier de suspension. L'implantation et l'orientation de l'ensemble de soulèvement par l'essieu, par rapport aux rayons partant du point de pivotement du balancier de suspension, favorisent l'application, sur le balancier de suspension, par l'ensemble de soulèvement, de forces de soulèvement efficaces, ce qui en fin de comptes, aboutit à une moindre usure des ballons d'air de l'ensemble de soulèvement. Les ballons d'air de l'ensemble de soulèvement peuvent se déposer et remonter rapidement et facilement pour le remplacement de double chambre de freinage.

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